CN101249031A - 一种输尿管支架 - Google Patents

一种输尿管支架 Download PDF

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Publication number
CN101249031A
CN101249031A CNA2008101018204A CN200810101820A CN101249031A CN 101249031 A CN101249031 A CN 101249031A CN A2008101018204 A CNA2008101018204 A CN A2008101018204A CN 200810101820 A CN200810101820 A CN 200810101820A CN 101249031 A CN101249031 A CN 101249031A
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Prior art keywords
groove
pipe
tubular body
urine
ureter bracket
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CN101249031B (zh
Inventor
周明非
朱望
李娅
曹庆民
赵秀丽
邢玉斌
魏华
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Xi'an Yuanda Detian pharmaceutical Limited by Share Ltd
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WANGSHENG WEIYE TECH DEVELOPMENT Co Ltd BEIJING
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
    • A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
    • A61M27/008—Implant devices for drainage of body fluids from one part of the body to another pre-shaped, for use in the urethral or ureteral tract

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  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Otolaryngology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

本发明公开了一种输尿管支架，由一根医用高分子材料制成的管状物构成，管子的末端互为相反方向朝内弯曲成圆圈状，形如猪尾巴，管子的侧面有一个较大的槽1，其相对的另一侧有一个小的槽2，其横断面为拟H型。管径为1.4－3.2mm，长度为180－290mm。较大的槽1直径为0.8－2.0mm，较小的槽2直径为0.4－0.8mm。管子的其中一个末端弯曲成圆圈状的部分没有较大的槽1一侧，只有较小的槽2的一侧。由于采用特殊的全程开放的拟“H”型构造，使其在引流尿液时不会由于尿结晶而引起的管子的堵塞，使尿液能够顺利到达膀胱。

Description

一种输尿管支架
技术领域
本发明属外科手术辅助材料，特别是用于泌尿外科输尿管手术。
背景技术
输尿管支架又名猪尾巴管或双“J”管，是泌尿外科常用的一种引流尿液的管子，一般用于肾结石、输尿管结石、肾移植、肾积水、肾和输尿管肿瘤手术和输尿管狭窄的扩张手术过程中。也可以引流尿液、防止输尿管狭窄和肿瘤压迫输尿管等。然而，现有的输尿管支架由于是在支架管子周边打孔，其孔径小，数量有限，在引流过程中，很容易形成尿结晶，使周边小孔和管中央孔被结晶或异物堵塞，造成了尿液引流失败。
发明内容
本发明的目的是提供一种不易被尿液结晶和异物堵塞的输尿管支架。
为达到上述目的，本发明由一根医用高分子材料制成的管状物构成，管子的末端互为相反方向朝内弯曲成圆圈状，形如猪尾巴，管子的侧面有一个较大的槽1，其相对的另一侧有一个小的槽2，其横断面为拟H型。管径为1.4-3.2mm，长度为180-290mm。较大的槽1直径为0.8-2.0mm，较小的槽2直径为0.4-0.8mm。管子的其中一个末端弯曲成圆圈状的部分没有较大的槽1一侧，只有较小的槽2的一侧。
采用上述结构，由于其特殊的全程开放的拟“H”型构造，使其在引流尿液时不会由于尿结晶而引起的管子的堵塞，使尿液能够顺利到达膀胱。
附图说明
下面结合附图对本发明进一步详细的说明。
图1是本发明的结构示意图。
图2是本发明的横断面示意图。
图3是本发明的其中一个末端的横断面示意图。
图中1.较大的槽  2.较小的槽  3.较大的槽直径  4.较小的槽直径
具体实施方式
本发明由一根医用高分子材料制成的管状物构成，管子的末端互为相反方向朝内弯曲成圆圈状，形如猪尾巴，管子的侧面有一个较大的槽1，其相对的另一侧有一个较小的槽2，其横断面为拟“H”型。管径为1.4-3.2mm，长度为180-290mm。较大的槽1直径3为0.8-2.0mm，较小的槽2直径4为0.4-0.8mm。管子的其中一个末端弯曲成圆圈状的部分没有较大的槽1一侧，只有较小的槽2的一侧。

Claims (4)

1、一种输尿管支架，其特征在于：由一根医用高分子材料制成的管状物构成，管子的末端互为相反方向朝内弯曲成圆圈状，形如猪尾巴，管子的侧面有一个较大的槽1，其相对的另一侧有一个小的槽2，其横断面为拟H型。
2、根据权利要求1所述的一种输尿管支架，其特征在于：管径为1.4-3.2mm，长度为180-290mm。
3、根据权利要求1所述的一种输尿管支架，其特征在于：所述的较大的槽1直径为0.8-2.0mm，较小的槽2直径为0.4-0.8mm。
4、根据权利要求1所述的一种输尿管支架，其特征在于：所述的管子的其中一个末端弯曲成圆圈状的部分没有较大的槽1一侧，只有较小的槽2的一侧。
CN2008101018204A 2008-03-12 2008-03-12 一种输尿管支架 Expired - Fee Related CN101249031B (zh)

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CN101249031B CN101249031B (zh) 2010-06-02

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102281835B (zh) * 2008-09-16 2015-04-08 Cr巴德公司 支架
CN106137477A (zh) * 2015-03-26 2016-11-23 中国人民解放军第二军医大学 一种异形截面输尿管支架
JP2017510371A (ja) * 2014-04-11 2017-04-13 コロプラスト アクティーゼルスカブ 尿管ステント
EP3297573A4 (en) * 2015-05-20 2019-02-20 Innoventions Ltd. STENT AND METHOD OF USE
CN113262377A (zh) * 2021-05-08 2021-08-17 宁波市第一医院 微槽引流支架管
CN113599018A (zh) * 2021-07-23 2021-11-05 上海火点医疗器械有限公司 输尿管支架

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI611799B (zh) * 2016-12-20 2018-01-21 邦特生物科技股份有限公司 非對稱性之引流裝置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5221253A (en) * 1989-01-25 1993-06-22 Coll Milton E Urological stent-catheter system having varing diameter stent
US5814006A (en) * 1996-05-28 1998-09-29 Planz; Konrad Temporary stent in the urine path
GB2413769B (en) * 2004-04-06 2007-02-21 Medevert Ltd Ureteric stents
DE202006018049U1 (de) * 2006-06-07 2007-08-02 Mosenkis, Mykhaylo Implantierbarer Katheter

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102281835B (zh) * 2008-09-16 2015-04-08 Cr巴德公司 支架
JP2017510371A (ja) * 2014-04-11 2017-04-13 コロプラスト アクティーゼルスカブ 尿管ステント
CN106137477A (zh) * 2015-03-26 2016-11-23 中国人民解放军第二军医大学 一种异形截面输尿管支架
EP3297573A4 (en) * 2015-05-20 2019-02-20 Innoventions Ltd. STENT AND METHOD OF USE
CN113262377A (zh) * 2021-05-08 2021-08-17 宁波市第一医院 微槽引流支架管
CN113599018A (zh) * 2021-07-23 2021-11-05 上海火点医疗器械有限公司 输尿管支架
WO2023001302A1 (zh) * 2021-07-23 2023-01-26 上海火点医疗器械有限公司 输尿管支架
CN115813604A (zh) * 2021-07-23 2023-03-21 上海火点医疗器械有限公司 输尿管支架
CN116019602A (zh) * 2021-07-23 2023-04-28 上海火点医疗器械有限公司 输尿管支架

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Inventor after: Zhou Mingfei

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Inventor after: Zhao Xiaohua

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Free format text: CORRECT: INVENTOR; FROM: ZHOU MINGFEI ZHU WANG LI YA CAO QINGMIN ZHAO XIULI XING YUBIN WEI HUA TO: ZHOU MINGFEI WANG WEN ZHAO XIAOHUA ZHU WANG LI YA CAO QINGMIN ZHAO XIULI XING YUBIN WEI HUA

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Address after: 710119 No. 9, innovation road, new industrial park, hi tech Industrial Development Zone, Shaanxi, Xi'an

Patentee after: Xi'an Yuanda Detian pharmaceutical Limited by Share Ltd

Address before: 100039 No. 2-202, Taiping Road, 48, Beijing, Haidian District

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